2:00 a.m. - Courtney Cole tweeted this is not the first time there has been an accident on this pipeline and linked to a report from the U.S. Department of Transportation's Pipeline and Hazardous Materials Safety Administration (PHMSA). In August 2008, the pipeline ruptured west of Pilot Grove in Cooper County and caused more than $ 1 million worth of damage. PHMSA said the cause was external corrosion.